Blockchain Engineer ‑ Copy-Trade Protocol at Zignaly

Singapore
Full time
Remote
12,500
-
18,333.33
Monthly
150,000
-
220,000
Annual
Payment in Crypto
Role
Software Engineer
Work Experience
More than 3 years
Description

Mission:Emit immutable trade clones at the speed of mempools. Engineer on-chain vault + relay contracts that ingest master signals, laser-bridge them across EVM chains, and absorb slippage, MEV, and NFL Sunday-level volatility without exposing followers to liquidation contagion.

Stack & Level Requirements

  • Solidity 0.8.25+ via Foundry toolchain (Forge, Anvil, Cast) or Rust/Anchor on Solana
  • Proficiency: Huff / Yul inlines for gas micro-optimisations, EIP-712 signing, EIP-1167 minimal proxies
  • Cross-layer bridges: LayerZero, Wormhole, CCIP + custom relayers for <2 s finality
  • MEV-Geth style searchers – understand sandwich mechanics to architect commit-reveal patterned entry pools
  • Price oracles: Chainlink CCIP-read, Pyth, custom tick-level fallback for sub-$0.05 deviation error in volatility freak events
  • Security toolkit: Slither, Mythril, Echidna fuzz 1e6 vars/run, invariant bracelets as code
  • Gas profiling: forge-std Vm for on-chain gas snapshots pre-per-release hook

Hard-Check Trader DNA

⚔️ You have personally executed >$10 k notional on perpetuals & on-chain or cross-margined DeFi strategies with stress traces or Etherscan proof of addr.

⚔️ You’ve felt (or caused) impermanent loss >10 % in a single block.

⚔️ Optional but revered: vault or strategy on DeFiLlama/Apeboard with >$50 k TVL linked to your keys.

Responsibilities

  • Build gas-constrained e2e testnets atop Anvil mainnet fork for every release candidate.
  • Continuous white-hat review loop – both formal (Certora specs) & red-team bounty (Immunefi).
  • Coordinate with backend for off-chain signatures (EIP-712 typedData balancers).
  • Draft governance & upgrade timelocks (OpenZeppelin UUPS).
  • Be on-call for on-chain incidents (failed Oracle, stuck bridge, keeper tottering). with protocol parameters YAML files.

Soft Enemies – Don’t apply 

  • ifYou only deployed ERC-20 tokens and never** felt liquidation missiles.
  • You ignore MEV game theory.

Perks / Weapons Cache

  • Hardware fund: Apple M Max + 64 GB RAM, 10 Gbps fibre hookup.
  • Personal copy-trading gas allowance 1 k USD monthly – trade openly on testnet, share P&L in public.
  • Health stipend for red-eye debugging—includes premium dark-coffee & builder-milk.
  • Additional 1 % of inflation-scheduled supply upon achieving $100 m copy-AUM on ETH L2.

Apply Now
Attach:

  • Your latest CV. 
  • Etherscan link to your most brutal trading bot / vault (& TVL proof). 
  • GitHub repo (>20 stars) or archived PR of previous audited live contract address. 
  • Recorded deep-dive Loom of <180 s showing circuit breaker you built.  

Cut-over: Applications stack-ranked & closed within 7 calendar days or when 3 offers signed—whichever happens first. Ready to ship settlement layer blood sport? 💥☠

Skills Required
Avatar
Zignaly
Company size
Not specified
Location
Singapore
Description
Not specified

More Full-time Jobs

Show more

Senior iOS developer

Full time
Remote
We are looking for a talented iOS Developer to join our team on a full-time remote basis. The ideal candidate should have experience developing and maintaining iOS applications using Swift and Xcode. You will work closely with our design and backend teams to build high-quality, user-friendly mobile applications.Responsibilities:Develop and maintain iOS applications.Write clean, efficient, and maintainable code.Collaborate with designers and backend developers.Fix bugs and improve app performance.Participate in code reviews and testing.Requirements:Experience with Swift and Xcode.Knowledge of UIKit and/or SwiftUI.Familiarity with REST APIs and Git.Strong problem-solving and communication skills.Ability to work independently in a remote environment.Benefits:Competitive salary (paid in cryptocurrency).Flexible remote work.Opportunity to work on exciting projects.Friendly and supportive team.
Payment in Crypto

Building a company site with MERN stack

Full time
Remote
🚀 We're Hiring | Senior MERN Stack Developer | 5–8 Years
 
We're looking for an experienced Senior MERN Stack Developer to join our team and work on scalable, high-performance web applications and enterprise-level software solutions.
 
📍 Location: Remote / Flexible
💼 Experience: 5–8 Years
 
Required Skills:
 
✅ Strong experience with MongoDB, Express.js, React.js, and Node.js (MERN Stack)
✅ Advanced JavaScript / TypeScript development
✅ Experience building scalable RESTful APIs and backend services
✅ Strong knowledge of React.js, Hooks, State Management (Redux/Zustand/Context API)
✅ Experience with Node.js, Express.js, and API architecture
✅ Database design and optimization with MongoDB
✅ Experience with HTML5, CSS3, Tailwind CSS, and modern frontend practices
✅ Knowledge of authentication, authorization, and security best practices
✅ Experience with Git, CI/CD, and Agile development workflows
 
What We're Looking For:
✔ Strong problem-solving and analytical skills
✔ Ability to design and develop clean, maintainable, and scalable code
✔ Experience working in Agile/Scrum environments
✔ Excellent communication and collaboration skills
✔ Self-driven mindset with attention to quality and technical excellence
✔ Ability to mentor junior developers and contribute to architectural decisions
4,800-8,000
Monthly
See details

Founding Technical Partners for Oferli – Elite Web & Mobile Development Team🌐

Remote, USA
Remote, USA
Part time
Remote
I am Sadr, CEO of Oferli. We are building a high-performance, elite technical team, and I am looking for 5 to 10 dedicated founding technical partners to join me in this mission.
​The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
​What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
​Requirements:
​Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
​Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
​Professionalism: We operate with high standards. Communication and efficiency are key.
​How We Work:
​Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
​Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
​Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
​Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
​Let’s build the future, together.
​Sadr B
CEO, Oferli
Payment in Crypto

Chief Technology Officer (CTO) / Senior Full-Stack Developer (Web3)

London, UK
London, UK
Full time
Remote
About the Role
We are building a next-generation Web3 social platform designed to redefine how digital communities connect, collaborate, and grow.
Backed by years of experience within the cryptocurrency, blockchain, and digital asset ecosystem, our team has developed deep insights into how founders, developers, investors, creators, and communities interact. This understanding inspired us to create a platform that goes beyond financial applications and focuses on empowering meaningful social engagement.
Our mission is to build a transparent, community-driven social network where users can share ideas, collaborate on projects, discover opportunities, and create lasting relationships. We believe the next evolution of social media will be powered by decentralized technologies while maintaining an exceptional user experience, simplicity, and long-term sustainability.
We are seeking an experienced Chief Technology Officer (CTO) or Senior Full-Stack Developer who is passionate about Web3 and capable of leading the technical vision, architecture, and execution of our platform from the ground up.
Responsibilities
Lead the technical strategy and product architecture.
Design and build scalable backend systems and modern frontend applications.
Develop high-performance APIs and real-time features.
Integrate blockchain technologies, wallets, and Web3 authentication where appropriate.
Build secure, reliable, and maintainable infrastructure.
Collaborate closely with product, design, and leadership teams.
Establish engineering best practices, code quality standards, and development workflows.
Mentor engineers and help grow the technical organization.
Evaluate emerging technologies and implement solutions that improve scalability, security, and user experience.
Requirements
5+ years of professional software development experience.
Strong experience with modern JavaScript/TypeScript ecosystems.
Experience with React, Next.js, Node.js, or similar technologies.
Solid understanding of system architecture, cloud infrastructure, databases, and API design.
Experience building scalable consumer-facing products.
Familiarity with blockchain technologies, Web3 infrastructure, wallets, smart contracts, or decentralized applications.
Strong knowledge of security best practices and application performance optimization.
Excellent problem-solving and communication skills.
Ability to work independently in a fast-paced startup environment.
Preferred Qualifications
Experience building Web3 or crypto products.
Understanding of decentralized identity, token ecosystems, or on-chain social applications.
Experience leading engineering teams or serving in a technical leadership role.
Background in DevOps, CI/CD, Docker, Kubernetes, or cloud platforms such as AWS or GCP.
Experience with real-time messaging, social platforms, or community products.
What We Offer
Competitive full-time compensation.
Opportunity to build a product from an early stage with significant technical ownership.
Flexible and remote-friendly work environment.
Collaborative team focused on innovation and long-term impact.
Work on cutting-edge Web3 technologies and help shape the future of digital communities.
Opportunity for career growth and leadership as the platform scales.
If you are excited about building the next generation of Web3 social experiences and want to make a meaningful impact from the earliest stages, we'd love to hear from you.
Payment in Crypto
7,500-11,000
Monthly
See details

Backend Engineer with hands-on blockchain experience

Full time
Remote
We are building a modern hotel booking platform enhanced with Web3 capabilities, includingtoken-based payments, on-chain verification, and decentralized identity/ownership features.We’re looking for a Backend Engineer to design and build scalable backend systems andintegrate them with blockchain infrastructure. You’ll work closely with frontend and Web3engineers to deliver a seamless and reliable platform. 
Payment in Crypto
13,000-17,000
Monthly
See details